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8 Toy Electric Motors, c. 1930...
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9 Small Electric Motors, 1910 onwards...
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6 Vintage Model Electric Motors, 1900 onwards...
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6 Vintage Model Electric Motors, 1900 onwards...
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Leitz Microscope and Box with Preparations...
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Ernemann Projection Microscope, c. 1910...
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English Brass Culpeper-Type Compound Monocula...
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Sighting Scope and Monocular Telescope...
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Kern Periskop Gonio 10 x 50, 1977...
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Le Chronoscope de Max Walter, c. 1900...
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3 Lecture Theatre Barometers, c. 1920...
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Collector Literature: Scientific Instruments,...
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Rare Russian Lunar Globe, 1961...
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8-inch Terrestrial Globe by C. Abel-Klinger, ...
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French Miniature Graphometer, c. 1780...
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Electro-Physical Experimental Set, c. 1910...
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2 Vacuum Tubes with Phosphorescent Material, ...
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4 Crookes Demonstration Tubes, c. 1915...
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"Magazin aller neuen Erfindungen, Entdeckunge...
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2 Volumes of "Le Mécanicien Moderne", c. 1910...
